Electric lamp



FIG. 1 is a perspective view from above and one side of the front of an electric lamp showing my new design;

FIG. 2 is a perspective view from below and the other side of the rear of the electric lamp;

FIG. 3 is a rear elevation of the electric lamp;

FIG. 4 is a plan view of the electric lamp. 

The ornamental design for an electric lamp, as shown. 